
                    <html style="font-family:Helvetica,Arial,Sans">
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                    }</style></head><body> <table class="headtab"> <tr><td style="text-align:left">vtable {vtable}</td> <td style="text-align:right">Variable Documentation</td></tr></table> <h1> dat </h1><p>This data contains 1292 rows and 63 columns.</p><h3>Variable Table</h3><table><tr><th style = "width:29%; text-align:left">Name</th><th style = "width:15%; text-align:left">Class</th><th style = "width:36%; text-align:left">Values</th></tr>
<tr><td style = "width:29%; text-align:left">X1</td><td style = "width:15%; text-align:left">numeric</td><td style = "width:36%; text-align:left">Num: 1 to 1292</td></tr>
<tr><td style = "width:29%; text-align:left">title</td><td style = "width:15%; text-align:left">character</td><td style = "width:36%; text-align:left"></td></tr>
<tr><td style = "width:29%; text-align:left">author</td><td style = "width:15%; text-align:left">character</td><td style = "width:36%; text-align:left"></td></tr>
<tr><td style = "width:29%; text-align:left">year</td><td style = "width:15%; text-align:left">integer</td><td style = "width:36%; text-align:left">Num: 2007 to 2019</td></tr>
<tr><td style = "width:29%; text-align:left">source</td><td style = "width:15%; text-align:left">character</td><td style = "width:36%; text-align:left"></td></tr>
<tr><td style = "width:29%; text-align:left">preregister</td><td style = "width:15%; text-align:left">numeric</td><td style = "width:36%; text-align:left">Num: 0 to 1</td></tr>
<tr><td style = "width:29%; text-align:left">type_of_control</td><td style = "width:15%; text-align:left">character</td><td style = "width:36%; text-align:left"></td></tr>
<tr><td style = "width:29%; text-align:left">study_num</td><td style = "width:15%; text-align:left">character</td><td style = "width:36%; text-align:left"></td></tr>
<tr><td style = "width:29%; text-align:left">mean_age</td><td style = "width:15%; text-align:left">character</td><td style = "width:36%; text-align:left"></td></tr>
<tr><td style = "width:29%; text-align:left">setting1</td><td style = "width:15%; text-align:left">factor</td><td style = "width:36%; text-align:left">'preschool / daycare / kindergarten' 'elementary (grades 1-5)' 'middle/high (grades 6-12)' 'college' 'work' and more</td></tr>
<tr><td style = "width:29%; text-align:left">setting2</td><td style = "width:15%; text-align:left">factor</td><td style = "width:36%; text-align:left">'preschool / daycare / kindergarten' 'elementary (grades 1-5)' 'middle/high (grades 6-12)' 'college' 'work' and more</td></tr>
<tr><td style = "width:29%; text-align:left">setting3</td><td style = "width:15%; text-align:left">factor</td><td style = "width:36%; text-align:left">'preschool / daycare / kindergarten' 'elementary (grades 1-5)' 'middle/high (grades 6-12)' 'college' 'work' and more</td></tr>
<tr><td style = "width:29%; text-align:left">setting4</td><td style = "width:15%; text-align:left">factor</td><td style = "width:36%; text-align:left">'preschool / daycare / kindergarten' 'elementary (grades 1-5)' 'middle/high (grades 6-12)' 'college' 'work' and more</td></tr>
<tr><td style = "width:29%; text-align:left">country1</td><td style = "width:15%; text-align:left">character</td><td style = "width:36%; text-align:left"></td></tr>
<tr><td style = "width:29%; text-align:left">country2</td><td style = "width:15%; text-align:left">character</td><td style = "width:36%; text-align:left"></td></tr>
<tr><td style = "width:29%; text-align:left">country3</td><td style = "width:15%; text-align:left">character</td><td style = "width:36%; text-align:left"></td></tr>
<tr><td style = "width:29%; text-align:left">intervention_type1</td><td style = "width:15%; text-align:left">factor</td><td style = "width:36%; text-align:left">'lab' 'field' 'online'</td></tr>
<tr><td style = "width:29%; text-align:left">intervention_type2</td><td style = "width:15%; text-align:left">factor</td><td style = "width:36%; text-align:left">'lab' 'field' 'online'</td></tr>
<tr><td style = "width:29%; text-align:left">prejudice_type1</td><td style = "width:15%; text-align:left">factor</td><td style = "width:36%; text-align:left">'race/ethnicity' 'nationality' 'immigrants/asylum seekers/refugees' 'income/SES' 'age' and more</td></tr>
<tr><td style = "width:29%; text-align:left">prejudice_type2</td><td style = "width:15%; text-align:left">factor</td><td style = "width:36%; text-align:left">'race/ethnicity' 'nationality' 'immigrants/asylum seekers/refugees' 'income/SES' 'age' and more</td></tr>
<tr><td style = "width:29%; text-align:left">prejudice_type3</td><td style = "width:15%; text-align:left">factor</td><td style = "width:36%; text-align:left">'race/ethnicity' 'nationality' 'immigrants/asylum seekers/refugees' 'income/SES' 'age' and more</td></tr>
<tr><td style = "width:29%; text-align:left">prejudice_type4</td><td style = "width:15%; text-align:left">factor</td><td style = "width:36%; text-align:left">'race/ethnicity' 'nationality' 'immigrants/asylum seekers/refugees' 'income/SES' 'age' and more</td></tr>
<tr><td style = "width:29%; text-align:left">prejudice_type5</td><td style = "width:15%; text-align:left">factor</td><td style = "width:36%; text-align:left">'race/ethnicity' 'nationality' 'immigrants/asylum seekers/refugees' 'income/SES' 'age' and more</td></tr>
<tr><td style = "width:29%; text-align:left">intervention_approach1</td><td style = "width:15%; text-align:left">factor</td><td style = "width:36%; text-align:left">'cooperative learning' 'entertainment' 'peer influence, discussion/dialogue' 'interpersonal contact' 'extended and imaginary contact' and more</td></tr>
<tr><td style = "width:29%; text-align:left">intervention_approach2</td><td style = "width:15%; text-align:left">factor</td><td style = "width:36%; text-align:left">'cooperative learning' 'entertainment' 'peer influence, discussion/dialogue' 'interpersonal contact' 'extended and imaginary contact' and more</td></tr>
<tr><td style = "width:29%; text-align:left">intervention_length</td><td style = "width:15%; text-align:left">character</td><td style = "width:36%; text-align:left"></td></tr>
<tr><td style = "width:29%; text-align:left">intervention_span</td><td style = "width:15%; text-align:left">character</td><td style = "width:36%; text-align:left"></td></tr>
<tr><td style = "width:29%; text-align:left">light_touch</td><td style = "width:15%; text-align:left">factor</td><td style = "width:36%; text-align:left">'regular' 'light touch'</td></tr>
<tr><td style = "width:29%; text-align:left">open_data</td><td style = "width:15%; text-align:left">numeric</td><td style = "width:36%; text-align:left">Num: 0 to 1</td></tr>
<tr><td style = "width:29%; text-align:left">condition_name</td><td style = "width:15%; text-align:left">character</td><td style = "width:36%; text-align:left"></td></tr>
<tr><td style = "width:29%; text-align:left">control_name</td><td style = "width:15%; text-align:left">character</td><td style = "width:36%; text-align:left"></td></tr>
<tr><td style = "width:29%; text-align:left">outcome_type1</td><td style = "width:15%; text-align:left">factor</td><td style = "width:36%; text-align:left">'behavior' 'implicit attitudes' 'explicit attitudes OR beliefs' 'perceived norms' 'emotion' and more</td></tr>
<tr><td style = "width:29%; text-align:left">outcome_type2</td><td style = "width:15%; text-align:left">factor</td><td style = "width:36%; text-align:left">'behavior' 'implicit attitudes' 'explicit attitudes OR beliefs' 'perceived norms' 'emotion' and more</td></tr>
<tr><td style = "width:29%; text-align:left">measure_name</td><td style = "width:15%; text-align:left">character</td><td style = "width:36%; text-align:left"></td></tr>
<tr><td style = "width:29%; text-align:left">scale_direction</td><td style = "width:15%; text-align:left">numeric</td><td style = "width:36%; text-align:left">Num: -1 to 1</td></tr>
<tr><td style = "width:29%; text-align:left">time_measurement</td><td style = "width:15%; text-align:left">factor</td><td style = "width:36%; text-align:left">'coder mistake' 'same day' 'day after or more'</td></tr>
<tr><td style = "width:29%; text-align:left">delay</td><td style = "width:15%; text-align:left">numeric</td><td style = "width:36%; text-align:left">Num: 0 to 730</td></tr>
<tr><td style = "width:29%; text-align:left">n_treatment</td><td style = "width:15%; text-align:left">numeric</td><td style = "width:36%; text-align:left">Num: 7 to 12095.5</td></tr>
<tr><td style = "width:29%; text-align:left">n_treatment_clusters</td><td style = "width:15%; text-align:left">numeric</td><td style = "width:36%; text-align:left">Num: 5 to 77</td></tr>
<tr><td style = "width:29%; text-align:left">n_control</td><td style = "width:15%; text-align:left">numeric</td><td style = "width:36%; text-align:left">Num: 7 to 12095.5</td></tr>
<tr><td style = "width:29%; text-align:left">n_control_clusters</td><td style = "width:15%; text-align:left">numeric</td><td style = "width:36%; text-align:left">Num: 5 to 170.5</td></tr>
<tr><td style = "width:29%; text-align:left">effect_type</td><td style = "width:15%; text-align:left">character</td><td style = "width:36%; text-align:left"></td></tr>
<tr><td style = "width:29%; text-align:left">test_statistic</td><td style = "width:15%; text-align:left">character</td><td style = "width:36%; text-align:left"></td></tr>
<tr><td style = "width:29%; text-align:left">effect_direction</td><td style = "width:15%; text-align:left">numeric</td><td style = "width:36%; text-align:left">Num: -1 to 1</td></tr>
<tr><td style = "width:29%; text-align:left">adjusted</td><td style = "width:15%; text-align:left">character</td><td style = "width:36%; text-align:left"></td></tr>
<tr><td style = "width:29%; text-align:left">sd_control</td><td style = "width:15%; text-align:left">numeric</td><td style = "width:36%; text-align:left">Num: 0.071 to 274.75</td></tr>
<tr><td style = "width:29%; text-align:left">result_page</td><td style = "width:15%; text-align:left">character</td><td style = "width:36%; text-align:left"></td></tr>
<tr><td style = "width:29%; text-align:left">heterogenous</td><td style = "width:15%; text-align:left">character</td><td style = "width:36%; text-align:left"></td></tr>
<tr><td style = "width:29%; text-align:left">provide_all_stats</td><td style = "width:15%; text-align:left">numeric</td><td style = "width:36%; text-align:left">Num: 0 to 1</td></tr>
<tr><td style = "width:29%; text-align:left">synergy</td><td style = "width:15%; text-align:left">numeric</td><td style = "width:36%; text-align:left">Num: 0 to 1</td></tr>
<tr><td style = "width:29%; text-align:left">personalization</td><td style = "width:15%; text-align:left">numeric</td><td style = "width:36%; text-align:left">Num: 0 to 1</td></tr>
<tr><td style = "width:29%; text-align:left">policy_attitude_measure</td><td style = "width:15%; text-align:left">numeric</td><td style = "width:36%; text-align:left">Num: 0 to 1</td></tr>
<tr><td style = "width:29%; text-align:left">unique_paper_id</td><td style = "width:15%; text-align:left">numeric</td><td style = "width:36%; text-align:left">Num: 1 to 309</td></tr>
<tr><td style = "width:29%; text-align:left">publication_title</td><td style = "width:15%; text-align:left">character</td><td style = "width:36%; text-align:left"></td></tr>
<tr><td style = "width:29%; text-align:left">abstract</td><td style = "width:15%; text-align:left">character</td><td style = "width:36%; text-align:left"></td></tr>
<tr><td style = "width:29%; text-align:left">doi</td><td style = "width:15%; text-align:left">character</td><td style = "width:36%; text-align:left"></td></tr>
<tr><td style = "width:29%; text-align:left">url</td><td style = "width:15%; text-align:left">character</td><td style = "width:36%; text-align:left"></td></tr>
<tr><td style = "width:29%; text-align:left">publication_type</td><td style = "width:15%; text-align:left">numeric</td><td style = "width:36%; text-align:left">Num: 1 to 3</td></tr>
<tr><td style = "width:29%; text-align:left">mediator</td><td style = "width:15%; text-align:left">logical</td><td style = "width:36%; text-align:left">TRUE FALSE</td></tr>
<tr><td style = "width:29%; text-align:left">intervention_span_days</td><td style = "width:15%; text-align:left">numeric</td><td style = "width:36%; text-align:left">Num: 1 to 1096</td></tr>
<tr><td style = "width:29%; text-align:left">unique_study_id</td><td style = "width:15%; text-align:left">integer</td><td style = "width:36%; text-align:left">Num: 1 to 418</td></tr>
<tr><td style = "width:29%; text-align:left">delay_category</td><td style = "width:15%; text-align:left">character</td><td style = "width:36%; text-align:left"></td></tr>
<tr><td style = "width:29%; text-align:left">n_treatment_category</td><td style = "width:15%; text-align:left">factor</td><td style = "width:36%; text-align:left">'≤ 25' '26 - 34' '35 - 48' '49 - 77' '≥ 78 '</td></tr>
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